Toxicology - Toxic Plant ID Flashcards
Identify this toxic plant:
Wood Sorrel
- (Oxalis* spp.)
- MOA: Hypocalcemia and precipitation of insoluble calcium oxalates in soft tissues and kidney damage.*
Identify this toxic plant:
Bracken Fern
(Pteridum aquilinum)
Main toxic Principle: Ptaquiloside glycoside, thiaminase
Clinical Signs: Ptaquiloside causes aplastic anemia in cattle and sheep, enzootic bovine hematuria due to neoplasm in urinary tract; tumors of the upper digestive tract and retinal damage in sheep; thimainase causes vitamin B1 deficiency resulting in neurotoxicity in monogastric animals
Identify this toxic plant:
Horsetail
(Equisetum spp.)
Main toxic Principle: Thiaminase
Clinical Signs: Thiamine deficiency in horses resulting in neuronal damage and signs of wasting, incoordination, posterior paralysis, inability to rise, muscle rigidity and convulsive seizures
Identify this toxic plant:
Pigweed
(Amaranthus retroflexus)
Main toxic Principle: Soluble oxalate, nitrate
Clinical Signs: Hypocalcemia, methemoglobinemia and respiratory signs, abortion, renal failure
Identify this toxic plant:
Sago Palm
(Cycas circinalis)
Mechanism of action - 3 toxins:
- Cycasin is a glycoside that causes GI irritation and liver damage. Also is teratogenic, mutagenic and carcinogenic
- B-Methylamino-L-alanine (BMAA) → neurotoxic amino acid
- Unknown toxin → may cause axonal degeneration in the CNS
Identify this toxic plant:
Chinese evergreen
- (Aglaonema spp)*
- MOA: needle shaped calcium oxalate crystals that penetrate the oral mucosa, tongue and throat causing irritation*
Identify this toxic plant:
Common milkweed
- (Asclepias spp)*
- MOA: cardiotoxic by inhibiting Na/K ATPase*
Identify this toxic plant:
Pencil Tree
(Euphorbia tirucalli)
Identify this toxic plant:
Dumbcane
- (Dieffenbachia* spp)
- **All parts of plants are toxic***
Main toxic Principle: Insoluble calcium oxalates
Clinical Signs: Irritation of lips, mouth, throat, vomiting
Identify this toxic plant:
Jimson Weed
(Datura stramonium)
Main toxic Principle: Atropine, hyoscine, hyoscyamine
Clinical Signs: Mydriasis, dry mouth, tachycardia, hypertension, urine retention, hallucinaion, seizures
Identify this toxic plant:
Rattlebox
- (Crotalaria* spp)
- MOA: Hepatotoxic; Severe liver damage and necrosis*
Main toxic Principle: Pyrrolizidine alkaloids
Identify this toxic plant:
Coontie
(**Zamia pumila)
Mechanism of action - 3 toxins:
- Cycasin is a glycoside that causes GI irritation and liver damage. Also is teratogenic, mutagenic and carcinogenic
- B-Methylamino-L-alanine (BMAA) → neurotoxic amino acid
- Unknown toxin → may cause axonal degeneration in the CNS
Identify this toxic plant:
Fringed bleeding-heart
Dicentra spp.
Identify this toxic plant:
Dumbcane
(Dieffenbachia spp.)
Identify this toxic plant:
Caladium
(Caladium spp.)
Identify this toxic plant:
Arrowhead vine, nephthytis
(Syngonium podophyllum)
Identify this toxic plant:
Chinese evergreen
(Aglaonema spp.)
Identify this toxic plant:
Flamingo plant
(Anthurium spp.)
Identify this toxic plant:
Peace Lilly
(Spathiphyllum spp.)
Identify this toxic plant:
Calla lily
(Zantedeschia aethiopica)
Identify this toxic plant:
Pothos, Devil’s ivy
(Epipremnum spp.)
Identify this toxic plant:
Saddle leaf philodendron
(Philodendron selloum)
Identify this toxic plant:
Philodendron
(Philodendron spp.)
Identify this toxic plant:
Monstera, Swiss cheese plant
(Monstera deliciosa)
Identify this toxic plant:
Fishtail palm
(Caryota mitis)
Identify this toxic plant:
Halogeton
(Halogeton glomeratus)
Identify this toxic plant:
Greasewood
(Sarcobatus vermiclatus)
Identify this toxic plant:
Beet
(Beta vulgaris)
Identify this toxic plant:
Lamb’s quarters
(Chenopodium album)
Identify this toxic plant:
Curly Dock, Dock
(Rumex spp.)
Identify this toxic plant:
Rhubarb
(Rheum rhaponticum)
Identify these toxic plants:
Sorrel and Soursop
(Oxalis spp.)
Identify this toxic plant:
Ponderosa Pine
(Pinus ponderosus)
Identify this toxic plant:
St. Johns Wort or Klamath
(Hypericum perforatum)
Identify this toxic plant:
Buckwheat
(Fagoypyrum esculentum)
Identify this toxic plant:
White Oak tree
(Quercus alba)
Identify this toxic plant:
Red Oak tree
(Quercus ruba)
From what toxic plant are these leaves found?
Red Oak tree
(Quercus ruba)
Identify this toxic plant:
Pride of Barbados
(Caesalpinia spp.)
Identify this toxic plant:
Lantana, yellow sage
(Lantana camara)
Identify this toxic plant:
Glory lily
(Gloriosa superba)
Identify this terribly sad-looking toxic plant:
Larkspur, Delphinium
(Delphinium spp.)
Identify this toxic plant:
Monkshood, Aconite
(Aconitum spp.)
Identify this toxic plant:
Ergot
(Calviceps spp.)
Identify this toxic plant:
Narcissus
(Narcissus poeticus)
Identify this toxic plant:
Daffodil, Narcissus
(Narcissus poeticus)
Identify this toxic plant:
Spider lily
(Hymenocallis caribaea)
Identify this toxic plant:
Barbados lily, fire lily
(Hippeastrum spp.)
Identify this toxic plant:
Zephyr lily, rain lily
(Zephyranthus spp.)
Identify this toxic plant:
River lily
(Crinum bulbispermum)
Identify this toxic plant:
Poisonous mushrooms
(Amanita muscaria)
Identify this toxic plant:
Poison hemlock
(Conium maculatum)
Identify this toxic plant:
Tobacco
(Nicotiana tabacum)
Identify this toxic plant:
Lobelia
(Lobelia cardinale)
Identify this toxic plant:
Lobelia
(Lobelia X Geradii)